The reasons for persistence the periapical focus of infection after endodontic treatment. Ways to resolve the issue

The high incidence of persistent periapical infection in the lateral group of teeth is one of the problems of modern dentistry. The purpose of our study was to determine the reasons for preserving the periapical focus of infection after conservative treatment and to identify ways of solving this problem. The analysis of domestic and foreign literature on this subject is carried out. An original questionnaire for dentists was developed, according to which 127 doctors were interviewed. Also explored 187 intraoral radiographs of first and second molars of the mandible and presented three clinical observations. Due to the high frequencies in the region of one of the root mandibular molars localization of the pathological process, conservative and surgical therapy is method of elimination chronic periapical infection. The effectiveness of treatment depends not only on the qualifications of the doctor, but also on the patient’s responsible attitude to the recommendations, in particular to comply with their terms of prosthetics